JavaScript seems to be disabled in your browser.For the best experience on our site, be sure to turn on Javascript in your browser.

We use cookies and other technologies on this site to enhance your user experience. By continuing to use this site or by closing this banner, you agree to our use of cookies and other technologies. To find out more about cookies and how to change your choices, please go to our Privacy Policy.

Essential Cookies

Necessary cookies enable core functionality of the website. Without these cookies the website can not function properly. They help to make a website usable by enabling basic functionality.

Marketing Cookies

Marketing cookies are used to track and collect visitors actions on the website. Cookies store user data and behaviour information, which allows advertising services to target more audience groups. Also more customized user experience can be provided according to collected information.

1. Copy your unique code below2. Click 'Claim Now' and this will open a new tab. (so don't worry if you forget your code, it'll still be on this page!)3. Add your Energy Bar Bundle to your basket and enter the code before checkout!

Science in Sport® is a leading sports nutrition company that develops, manufactures, and markets innovative sports supplements and nutrition products for use by professional athletes and sports enthusiasts. SiS® was founded in 1992 and is a headquartered in London, EC1N. Our manufacturing facility is in Nelson, Lancashire, and all our products are thoroughly tested & certified through the Informed-Sport programme.